mirror of
https://github.com/kiddin9/op-packages.git
synced 2026-09-11 02:44:57 +08:00
125 lines
3.7 KiB
Bash
Executable File
125 lines
3.7 KiB
Bash
Executable File
#!/bin/sh
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set -eu
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. /usr/libexec/haproxy-manager/common.sh
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SYNC=0
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LOCK_DIR=/var/lock/haproxy-manager.apply
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LOCK_HELD=0
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if [ "${1:-}" = --sync ]; then
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[ "$#" -eq 2 ] || { echo "Usage: rollback [--sync] [last|YYYYMMDD-HHMMSS]" >&2; exit 1; }
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SYNC=1
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TARGET="$2"
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else
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[ "$#" -le 1 ] || { echo "Usage: rollback [--sync] [last|YYYYMMDD-HHMMSS]" >&2; exit 1; }
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TARGET="${1:-last}"
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fi
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release_lock() {
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[ "$LOCK_HELD" != 1 ] || operation_lock_release "$LOCK_DIR"
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}
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if [ "$SYNC" != 1 ]; then
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attempt=0
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while ! operation_lock_acquire "$LOCK_DIR"; do
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[ "$attempt" -lt 15 ] || { echo "Another HAProxy Manager operation is still running." >&2; exit 1; }
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attempt=$((attempt + 1))
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sleep 1
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done
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LOCK_HELD=1
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trap 'status=$?; release_lock; exit "$status"' EXIT
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fi
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BASE="$(backup_dir)"
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[ ! -d "$BASE" ] || BASE="$(resolve_storage_dir "$BASE")" || {
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echo "Recovery point directory resolves outside /root or /mnt" >&2
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exit 1
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}
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if [ "$TARGET" = last ]; then
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[ -f "$BASE/LAST" ] || { echo "No LAST backup marker found" >&2; exit 1; }
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TARGET="$(basename "$(cat "$BASE/LAST")")"
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fi
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is_valid_backup_id "$TARGET" || { echo "Invalid backup identifier" >&2; exit 1; }
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TARGET_DIR="$BASE/$TARGET"
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[ -d "$TARGET_DIR" ] || { echo "Backup not found: $TARGET" >&2; exit 1; }
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firewall_changed=0
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uhttpd_changed=0
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state_failed=0
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if [ -f "$TARGET_DIR/firewall" ] && ! cmp -s "$TARGET_DIR/firewall" /etc/config/firewall; then
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atomic_install_file "$TARGET_DIR/firewall" /etc/config/firewall
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firewall_changed=1
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fi
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if [ -f "$TARGET_DIR/uhttpd" ] && ! cmp -s "$TARGET_DIR/uhttpd" /etc/config/uhttpd; then
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atomic_install_file "$TARGET_DIR/uhttpd" /etc/config/uhttpd
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uhttpd_changed=1
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fi
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[ -f "$TARGET_DIR/haproxy_manager" ] && atomic_install_file "$TARGET_DIR/haproxy_manager" /etc/config/haproxy_manager
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[ -f "$TARGET_DIR/haproxy.cfg" ] && atomic_install_file "$TARGET_DIR/haproxy.cfg" "$HAPROXY_CFG"
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if [ "$firewall_changed" = 1 ] && ! /etc/init.d/firewall restart >/dev/null 2>&1; then
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logger -t haproxy-manager "Firewall restart failed while restoring $TARGET"
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state_failed=1
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fi
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haproxy_enabled=1
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haproxy_running=1
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if [ -f "$TARGET_DIR/haproxy.state" ]; then
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haproxy_enabled="$(sed -n 's/^enabled=//p' "$TARGET_DIR/haproxy.state" | head -1)"
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haproxy_running="$(sed -n 's/^running=//p' "$TARGET_DIR/haproxy.state" | head -1)"
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fi
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if [ "$haproxy_enabled" = 1 ]; then
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if ! /etc/init.d/haproxy enable >/dev/null 2>&1; then
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logger -t haproxy-manager "Could not enable HAProxy while restoring $TARGET"
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state_failed=1
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fi
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else
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if ! /etc/init.d/haproxy disable >/dev/null 2>&1; then
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logger -t haproxy-manager "Could not disable HAProxy while restoring $TARGET"
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state_failed=1
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fi
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fi
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restore_services() {
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local failed="$state_failed"
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if [ "$uhttpd_changed" = 1 ] && ! /etc/init.d/uhttpd restart >/dev/null 2>&1; then
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logger -t haproxy-manager "LuCI restart failed while restoring $TARGET"
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failed=1
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fi
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if [ "$haproxy_running" = 1 ]; then
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if ! /etc/init.d/haproxy restart >/dev/null 2>&1 ||
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! /etc/init.d/haproxy status >/dev/null 2>&1; then
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logger -t haproxy-manager "HAProxy restart failed while restoring $TARGET"
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failed=1
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fi
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else
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if ! /etc/init.d/haproxy stop >/dev/null 2>&1 ||
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/etc/init.d/haproxy status >/dev/null 2>&1; then
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logger -t haproxy-manager "HAProxy stop failed while restoring $TARGET"
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failed=1
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fi
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fi
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return "$failed"
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}
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if [ "$SYNC" = 1 ]; then
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restore_services || exit 1
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else
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LOCK_HELD=0
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trap - EXIT
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(
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sleep 2
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if ! restore_services; then
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logger -t haproxy-manager "Service restoration failed for recovery point $TARGET"
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fi
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operation_lock_release "$LOCK_DIR"
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) >/dev/null 2>&1 &
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operation_lock_set_pid "$LOCK_DIR" "$!"
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fi
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echo "Restored backup $TARGET. Affected services will reload shortly."
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